Pith Number

pith:H3IK4OEN

pith:2003:H3IK4OENYRDPRP2TPOWLC6IZQ3

not attested not anchored not stored refs pending

Extended tachyon field, Chaplygin gas and solvable k-essence cosmologies

Luis P. Chimento

arxiv:astro-ph/0311613 v2 · 2003-11-27 · astro-ph · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3IK4OENYRDPRP2TPOWLC6IZQ3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:37:53.929255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed0ae388dc446f8bf537bacb1791986d89dfabf16e42ea8c08e3cd8f2c320b8

Aliases

arxiv: astro-ph/0311613 · arxiv_version: astro-ph/0311613v2 · doi: 10.48550/arxiv.astro-ph/0311613 · pith_short_12: H3IK4OENYRDP · pith_short_16: H3IK4OENYRDPRP2T · pith_short_8: H3IK4OEN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/H3IK4OENYRDPRP2TPOWLC6IZQ3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3ed0ae388dc446f8bf537bacb1791986d89dfabf16e42ea8c08e3cd8f2c320b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e15a31f449a91df229fc4a8724f4c3a6d7d1b5d03a5b3fa4eb0d6b63910b380",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-27T21:19:43Z",
    "title_canon_sha256": "c13ec65a9bf8ea73a64887dac2f04fbe327fd7d145e2319506b3a2d9c87adfe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311613",
    "kind": "arxiv",
    "version": 2
  }
}